--- loncom/xml/londefdef.pm 2003/10/21 19:40:32 1.185
+++ loncom/xml/londefdef.pm 2004/02/19 19:34:09 1.198
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.185 2003/10/21 19:40:32 albertel Exp $
+# $Id: londefdef.pm,v 1.198 2004/02/19 19:34:09 sakharuk Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -50,8 +50,8 @@ use Apache::File();
use Image::Magick;
use Apache::lonmenu();
use Apache::lonmeta();
+use Apache::Constants qw(:common);
-$Apache::londefdef::TD_redirection=0;
BEGIN {
@@ -59,6 +59,15 @@ BEGIN {
}
+sub initialize_londefdef {
+ $Apache::londefdef::TD_redirection=0;
+ @Apache::londefdef::table = ();
+ $Apache::londefdef::select=0;
+ @Apache::londefdef::description=();
+ $Apache::londefdef::DD_redirection=0;
+ $Apache::londefdef::DT_redirection=0;
+}
+
#======================= TAG SUBROUTINES =====================
#-- <output>
sub start_output {
@@ -73,11 +82,11 @@ sub end_output {
}
#-- <m> tag
sub start_m {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ if ($target eq 'web' || $target eq 'analyze') {
$Apache::lonxml::prevent_entity_encode++;
- my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
$inside ='\\documentstyle{article}'.$inside;
&Apache::lonxml::debug("M is starting with:$inside:");
my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
@@ -94,15 +103,13 @@ sub start_m {
#&Apache::lonxml::debug("M is ends with:$currentstring:");
$Apache::lonxml::post_evaluate=0;
} elsif ($target eq 'tex') {
- $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ $currentstring = $inside;
my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
if ($eval eq 'on') {
$currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
}
if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
$Apache::lonxml::post_evaluate=0;
- } else {
- my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
}
return $currentstring;
}
@@ -144,22 +151,9 @@ sub end_tthoption {
sub start_html {
my ($target,$token) = @_;
my $currentstring = '';
- if ($ENV{'browser.mathml'}) {
- &tth::ttminit();
- if ($ENV{'browser.unicode'}) {
- &tth::ttmoptions('-L -u1');
- } else {
- &tth::ttmoptions('-L -u0');
- }
- } else {
- &tth::tthinit();
- if ($ENV{'browser.unicode'}) {
- &tth::tthoptions('-L -u1');
- } else {
- &tth::tthoptions('-L -u0');
- }
- }
- if ($target eq 'web') {
+ my $options=$ENV{'course.'.$ENV{'request.course.id'}.'.tthoptions'};
+ &Apache::lontexconvert::init_tth();
+ if ($target eq 'web' || $target eq 'edit') {
$currentstring = &Apache::lonxml::xmlbegin().
&Apache::lonxml::fontsettings();
} elsif ($target eq 'tex') {
@@ -1105,24 +1099,45 @@ sub end_q {
}
#-- <p> tag (end tag optional)
+#optional attribute - align="center|left|right"
sub start_p {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- my $signal=1;
- foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}}
- if ($signal) {$currentstring .= '\par ';}
+ my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ if ($align eq 'center') {
+ $currentstring='\begin{center}\par';
+ } elsif ($align eq 'right') {
+ $currentstring='\makebox['.$ENV{'form.textwidth'}.']{\hfill\llap{';
+ } elsif ($align eq 'left') {
+ $currentstring='\noindent\makebox['.$ENV{'form.textwidth'}.']{\rlap{';
+ }
+ my $signal=1;#<p> does not work inside <b>...</b>
+ foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}
+ if (!$signal) {$currentstring = '';}
+ }
}
return $currentstring;
}
sub end_p {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
+ } elsif ($target eq 'tex') {
+ if ($$tagstack[-1] eq 'p') {
+ my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ if ($align eq 'center') {
+ $currentstring .= '\end{center}';
+ } elsif ($align eq 'right') {
+ $currentstring .= '}}';
+ } elsif ($align eq 'left') {
+ $currentstring .= '}\hfill}';
+ }
+ }
}
return $currentstring;
}
@@ -2084,10 +2099,13 @@ sub start_img {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
undef,1);
+ if (not $src and ($target eq 'web' or $target eq 'tex')) {
+ my $inside = &Apache::lonxml::get_all_text("/img",$parser);
+ &Apache::lonnet::logthis("inside was $inside");
+ return '';
+ }
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
my $currentstring = '';
- my $width_param = '';
- my $height_param = '';
my $scaling = .3;
if ($target eq 'web') {
if ($ENV{'browser.imagesuppress'} ne 'on') {
@@ -2103,38 +2121,11 @@ sub start_img {
}
} elsif ($target eq 'tex') {
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
- &image_replication($src);
#if original gif/jpg/png file exist do following:
- if (-e $src) {
- #defines the default size of image
- my $image = Image::Magick->new;
- my $current_figure = $image->Read($src);
- $width_param = $image->Get('width') * $scaling;;
- $height_param = $image->Get('height') * $scaling;;
- undef $image;
- #do we have any specified size of the picture?
- my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
- my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
- my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
- undef,1);
- if ($TeXwidth ne '') {
- if ($TeXwidth=~/(\d+)\s*\%/) {
- $width_param = $1*$ENV{'form.textwidth'}/100;
- } else {
- $width_param = $TeXwidth;
- }
- } elsif ($TeXheight ne '') {
- $width_param = $TeXheight/$height_param*$width_param;
- } elsif ($width ne '') {
- $width_param = $width*$scaling;
- }
- if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
- my $file;
- my $path;
- if ($src =~ m!(.*)/([^/]*)$!) {
- $file = $2;
- $path = $1.'/';
- }
+ if (-e $src) {
+ #what is the image size?
+ my $width_param=&image_size($src,$scaling,$parstack,$safeeval);
+ my ($file,$path)=&file_path($src);
my $newsrc = $src;
$newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
$file=~s/\.(gif|jpg|png)$/.eps/i;
@@ -2154,14 +2145,8 @@ sub start_img {
$currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}
} else {
- #there aren't eps or ps - so create eps
- my $temp_file;
- my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
- $temp_file = Apache::File->new('>>'.$filename);
- print $temp_file "$src\n";
- $newsrc=~s/\/home\/httpd\/html\/res//;
- $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
- $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ #care about eps dynamical generation
+ $currentstring.='\vskip 1 mm '.&eps_generation($src,$file,$width_param);
}
}
} else {
@@ -2178,6 +2163,45 @@ sub start_img {
#<allow> tag will care about replication
}
}
+ } elsif ($target eq 'edit') {
+ $currentstring .=&Apache::edit::tag_start($target,$token);
+ $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
+ &Apache::edit::browse('src',undef,'alt').' '.
+ &Apache::edit::search('src',undef,'alt').'<br />';
+ $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
+ $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
+ $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
+ $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
+ $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
+ $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval);
+ my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval);
+ my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
+ my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval);
+ $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
+ if ($width) { $currentstring.=' width="'.$width.'" '; }
+ if ($height) { $currentstring.=' height="'.$height.'" '; }
+ $currentstring .= ' />';
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'src','alt',
+ 'TeXwidth','TeXheight',
+ 'width','height');
+ $src=$token->[2]{'src'};
+ if (!$token->[2]{'width'} && !$token->[2]{'height'}) {
+ $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ &image_replication($src);
+ if (-e $src) {
+ my $image = Image::Magick->new;
+ my ($width, $height, $size, $format) = $image->Ping($src);
+ if ($width && $height) {
+ $token->[2]{'width'} =$width;
+ $token->[2]{'height'}=$height;
+ $constructtag=1;
+ }
+ }
+ }
+ if ($constructtag) {$currentstring=&Apache::edit::rebuild_tag($token);}
}
return $currentstring;
}
@@ -3294,22 +3318,71 @@ sub end_hideweboutput {
sub image_replication {
my $src = shift;
- if (not -e $src) {
- #replicates image itself
- &Apache::lonnet::repcopy($src);
- #replicates eps or ps
- my $newsrc = $src;
- $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
- if (not -e $newsrc) {
- if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
- $newsrc =~ s/\.eps$/\.ps/;
- &Apache::lonnet::repcopy($newsrc);
- }
- }
+ if (not -e $src) { &Apache::lonnet::repcopy($src); }
+ #replicates eps or ps
+ my $epssrc = my $pssrc = $src;
+ $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
+ $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
+ if (not -e $epssrc && not -e $pssrc) {
+ my $result=&Apache::lonnet::repcopy($epssrc);
+ if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }
}
return '';
}
+sub image_size {
+ my ($src,$scaling,$parstack,$safeeval)=@_;
+ #size of image from gif/jpg/jpeg/png
+ my $image = Image::Magick->new;
+ my $current_figure = $image->Read($src);
+ my $width_param = $image->Get('width') * $scaling;;
+ my $height_param = $image->Get('height') * $scaling;;
+ undef $image;
+ #do we have any specified LaTeX size of the picture?
+ my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
+ my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
+ #do we have any specified web size of the picture?
+ my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
+ undef,1);
+ if ($TeXwidth ne '') {
+ if ($TeXwidth=~/(\d+)\s*\%/) {
+ $width_param = $1*$ENV{'form.textwidth'}/100;
+ } else {
+ $width_param = $TeXwidth;
+ }
+ } elsif ($TeXheight ne '') {
+ $width_param = $TeXheight/$height_param*$width_param;
+ } elsif ($width ne '') {
+ $width_param = $width*$scaling;
+ }
+ if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
+ return $width_param;
+}
+
+sub eps_generation {
+ my ($src,$file,$width_param) = @_;
+ my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+ my $temp_file = Apache::File->new('>>'.$filename);
+ print $temp_file "$src\n";
+ my $newsrc = $src;
+ $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
+ $newsrc=~s/\/home\/httpd\/html\/res//;
+ $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
+ $newsrc=~s/\/\.\//\//;
+ $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
+ return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+}
+
+sub file_path {
+ my $src=shift;
+ my ($file,$path);
+ if ($src =~ m!(.*)/([^/]*)$!) {
+ $file = $2;
+ $path = $1.'/';
+ }
+ return $file,$path;
+}
+
sub recalc {
my $argument = shift;
if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}